Recent experiments have shown that coherent molecular oscillations may generate a comb of coherent collinear sidebands with 50,000 cm/sup -1/ of spectral bandwidth. The essence of this technique is the use of a Raman transition with a sufficiently large coherence that the generation and phase slip length are of the same order. The coherence is established by driving the molecular transition with two single-mode laser fields slightly detuned from the Raman resonance, so as to excite a single molecular superposition state. This talk will summarize the characteristics of this light source and describe two recent experiments which show the mutual coherence of the generated sidebands.
Femtosecond light source for phase-controlled atomic processes
01.01.2001
107749 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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